It is not so important to be serious as it is to be serious about the important things.

More free time means more time to waste. The worker who used to have only a little time in which to get drunk and beat his wife now has time to get drunk, beat his wife - and watch TV.

Freedom of inquiry, freedom of discussion, and freedom of teaching - without these a university cannot exist.

Mathematics ... is indispensable as an intellectual technique. In many subjects, to think at all is to think like a mathematician.

Equality and justice, the two great distinguishing characteristics of democracy, follow inevitably from the conception of men, all men, as rational and spiritual beings.

Every act of every man is a moral act, to be tested by moral, and not by economic criteria.

Nature will not forgive those who fail to fulfill the law of their being. The law of human beings is wisdom and goodness, not unlimited acquisition.